The best price found from United States to St Kitts & Nevis is on October 14th, 2016, travelling with jetBlue. See more options, compare prices and book: search flights.
St Kitts has regional services plus nonstop flights to the US, while Nevis has services that are mostly regional; to get here you’ll need to change planes somewhere.
The departure tax is EC$60 (US$22), payable in cash or by credit card at the airport. If you’re leaving from Nevis, it’s EC$54 (US$20.50).